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WO1987000507A1 - Adhesive application process for containers in labelling machines using, for example, melt-type adhesives - Google Patents

Adhesive application process for containers in labelling machines using, for example, melt-type adhesives Download PDF

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Publication number
WO1987000507A1
WO1987000507A1 PCT/DE1986/000272 DE8600272W WO8700507A1 WO 1987000507 A1 WO1987000507 A1 WO 1987000507A1 DE 8600272 W DE8600272 W DE 8600272W WO 8700507 A1 WO8700507 A1 WO 8700507A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
containers
melt
container
melt adhesive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE1986/000272
Other languages
German (de)
French (fr)
Inventor
Reiner Lehmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Langguth GmbH and Co
Original Assignee
Langguth GmbH and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Langguth GmbH and Co filed Critical Langguth GmbH and Co
Publication of WO1987000507A1 publication Critical patent/WO1987000507A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/20—Gluing the labels or articles
    • B65C9/22—Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating

Definitions

  • the invention relates to a Belei ungsver ⁇ method for containers in labeling machines according to the preamble of the main claim.
  • a generic method is described on page 20, Fig. 12a, in the literature reference "Handbook of Labeling Technology", September 1975 edition, Hermann Kronseder, Neutraubling.
  • a bead of hot-melt adhesive is applied "contactlessly" to the containers to be labeled, which are transported in front of a nozzle head for hot-melt adhesive.
  • the container is then conveyed from this gluing station to a label magazine, the container additionally being rotated in this way about its own axis.
  • the conveying speed of the containers must be so high to ensure that the hot melt adhesive, which is only hot and then only adhesive, is able to remove a label from the label magazine, which label is then rolled around the container by the rotational movement of the container becomes. Since it cannot be avoided that the applied hot-melt adhesive point or the hot-melt adhesive bead is quite raised, it had to be ascertained that the label has small increases in this area, which the customers regard as unsightly.
  • the "contactless" application of the hot melt adhesive avoids the disadvantages which arise in processes in which the glue or hot melt adhesive is applied to the outside of the container by glue rollers. With this type of application, there is a risk of contamination from contaminants located on the outside of the container.
  • the invention is based on the object of further developing the generic method in such a way that the “contactless” applied adhesive bead or the “contactless” applied adhesive dot is distributed over as large a surface as possible without 3 -
  • Spray guns for applying hot-melt adhesives are known with which large-area gluing can be carried out.
  • the hot melt adhesive emerging from the nozzle is sprayed by a compressed air jet directed in the same direction and placed on the slide.
  • melt adhesive particles get into the ambient air and e.g. are guided into the surrounding machine components within labeling machines and thereby lead to the machine becoming unusable.
  • the new method is preferably suitable for use with hot melt adhesive, but can also be used in conjunction with other adhesives.
  • the method according to the invention provides the possibility that a hot melt adhesive is cooled or heated by the air stream, so that the setting ability of the hot melt adhesive can be controlled depending on its chemical composition and the type of slide.
  • the adhesive surface on the slide is enlarged, a larger adhesive surface is created and thus a better pulling out of the labels from the label magazine is achieved, but at the same time the adhesive strength on the slide is thinner, so that the adhesive surface subsequently is no longer noticeable on the top of the label. There is therefore no influence on the label by the hot melt adhesive.

Landscapes

  • Labeling Devices (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Coating Apparatus (AREA)

Abstract

In the process, the melt-type adhesive is applied without contact to the receptacle to be labelled by means of a nozzle device, after which the spot or bead of adhesive is extensively spread on the surface by a jet of pressurized gas e.g. compressed air.

Description

"Beleimungsverfahren für Behälter in Etikettierma¬ schinen unter Verwendung z.B. von Schmelzklebern""Gluing process for containers in labeling machines using e.g. hot melt adhesives"

Die Erfindung bezieht sich auf ein Belei ungsver¬ fahren für Behälter in Etikettiermaschinen gemäß dem Oberbegriff des Hauptanspruches.The invention relates to a Belei ungsver¬ method for containers in labeling machines according to the preamble of the main claim.

Beispielsweise in der Literaturstelle "Handbuch der Etikettiertechnik", Ausgabe September 1975, Hermann Kronseder, Neutraubl ing , wird ein gattungsbildendes Verfahren auf Seite 20, Abb. 12a, beschrieben. Bei diesem Verfahren wird auf die vor einen Düsenkopf für Schmelzkleber transportierten zu etikettierenden Behälter eine Schmelzkleberraupe "berührungslos" aufgebracht. Der Behälter wird dann von dieser Be- leimungsstati on zu einem Etikettenmagazin weiterge¬ fördert, wobei der Behälter zusätzlich auf diesem Weg um seine eigene Achse in Umdrehung versetzt wird.For example, a generic method is described on page 20, Fig. 12a, in the literature reference "Handbook of Labeling Technology", September 1975 edition, Hermann Kronseder, Neutraubling. In this method, a bead of hot-melt adhesive is applied "contactlessly" to the containers to be labeled, which are transported in front of a nozzle head for hot-melt adhesive. The container is then conveyed from this gluing station to a label magazine, the container additionally being rotated in this way about its own axis.

Bei den heute in Etikettiermaschinen üblichen hohen Förderleistungen mußte bei diesen bekannten Ver- fahren festgestellt werden, daß der auf dem Behälter aufgebrachte Schmelzkleber durch die Umdrehungsge¬ schwindigkeit des Behälters von der Außenfläche des Behälters abgeschleudert wird. Die Behälter drehen sich in den modernen Maschinen mit einer Oberflä- chengeschwindigkei t von etwa 150 bis 250 m/Min. Der dann noch flüssige Schmelzkleber gelangt in die Etikettiermaschine und führt nach sehr kurzer Zeit zur Unbrauchbarkeit der Maschine.In the case of the high conveying capacities customary in labeling machines today, it had to be found in these known methods that the hot-melt adhesive applied to the container is thrown off the outer surface of the container by the speed of rotation of the container. The containers rotate in modern machines with a surface speed of around 150 to 250 m / min. The then still liquid hot melt adhesive gets into the labeling machine and after a very short time leads to the machine being unusable.

Die Fördergeschwindigkeit der Behälter muß aber so hoch sein, um sicherzustellen, daß der noch heiße und nur dann klebfähige Schmelzkleber in der Lage ist, aus dem Etikettenmagazin ein Etikett zu ent¬ nehmen, das dann um den Behälter durch die Drehbe- wegung des Behälters gerollt wird. Da nicht zu ver¬ meiden ist, daß der aufgebrachte Schmelzkleberpunkt oder die Schmelzkleberraupe recht erhaben ist, mußte festgestellt werden, daß das Etikett in diesem Be¬ reich kleine Erhöhungen aufweist, die von den Ab- nehmern als unansehnlich angesehen werden.However, the conveying speed of the containers must be so high to ensure that the hot melt adhesive, which is only hot and then only adhesive, is able to remove a label from the label magazine, which label is then rolled around the container by the rotational movement of the container becomes. Since it cannot be avoided that the applied hot-melt adhesive point or the hot-melt adhesive bead is quite raised, it had to be ascertained that the label has small increases in this area, which the customers regard as unsightly.

Mit dem "berührungslosen" Aufbringen des Schmelzkle¬ bers sind zwar die Nachteile vermieden, die bei Ver¬ fahren entstehen, bei denen der Leim oder Schmelz- kleber durch Leimwalzen auf die Außenseite des Be¬ hälters aufgebracht wird. Bei dieser Art des Auf- bringens entstehen nämlich Verschmutzungsgefahren durch an der Außenseite des Behälters befindliche Verunreinigungen .The "contactless" application of the hot melt adhesive avoids the disadvantages which arise in processes in which the glue or hot melt adhesive is applied to the outside of the container by glue rollers. With this type of application, there is a risk of contamination from contaminants located on the outside of the container.

Obgleich also das "berührungslose" Leimaufbringver¬ fahren erhebliche Vorteile hat, war es in der Praxis nicht zur Zufriedenheit der Hersteller der Etiket¬ tiermaschinen und der Abnehmer einsetzbar.Thus, although the "contactless" glue application method has considerable advantages, it could not be used in practice to the satisfaction of the manufacturers of the labeling machines and the customers.

Der Erfindung liegt die Aufgabe zugrunde, das gat¬ tungsbildende Verfahren dahingehend weiterzubilden, daß die "berührungslos" aufgetragene Kleberraupe oder der "berührungslos" aufgetragene Kleberpunkt mög- liehst großflächig verteilt wird, ohne daß dabei be- 3 -The invention is based on the object of further developing the generic method in such a way that the “contactless” applied adhesive bead or the “contactless” applied adhesive dot is distributed over as large a surface as possible without 3 -

fürchtet werden muß, daß Kleberpartikelchen in die -umgebenden Maschinenbauteile eingetragen werden.it must be feared that adhesive particles are introduced into the surrounding machine components.

Diese der Erfindung zugrundeliegende Aufgabe wird durch die Lehre des Hauptanspruches gelöst.This object on which the invention is based is achieved by the teaching of the main claim.

Es sind zwar Spritzpistolen zum Auftragen von Schmelzklebern bekannt, mit denen großflächige Be- leimungen durchgeführt werden können. Hierbei wird ähnlich wie bei Sprühpistolen für Lack der aus der Düse austretende Schmelzkleber durch einen gleich¬ gerichteten Druckluftstrahl zersprüht und auf den Objektträger gebracht. Bei diesem bekannten Ver¬ fahren ist nicht zu vermeiden, daß Schmel zkleber- partikelchen in die Umgebungsluft gelangen und z.B. innerhalb von Etikettiermaschinen in die Umgebungs¬ maschinenbauteile geführt werden und dabei zu einem Unbrauchbarwerden der Maschine führen.Spray guns for applying hot-melt adhesives are known with which large-area gluing can be carried out. Here, similar to spray guns for paint, the hot melt adhesive emerging from the nozzle is sprayed by a compressed air jet directed in the same direction and placed on the slide. With this known method it is unavoidable that melt adhesive particles get into the ambient air and e.g. are guided into the surrounding machine components within labeling machines and thereby lead to the machine becoming unusable.

Bei dem erfindungsgemäßen Verfahren wird dadurch, daß die Druckluft erst dann auf den Kleber aufge¬ bracht wird, wenn dieser schon auf den Objektträger abgelagert ist, dieser Nachteil der bekannten, mit Sprühpistolen arbeitenden Verfahren vermieden.In the method according to the invention, the fact that the compressed air is only applied to the adhesive when it is already deposited on the slide prevents this disadvantage of the known methods which work with spray guns.

Aus der DE-OS 34 38 041 ist ein mit einem Luftmesser arbeitendes Verfahren bekannt, bei welchem die auf Materi al bahnen aufgebrachten flüssigen Beschich- tungs assen nachbehandelt werden. Die Auftragsein- richtung bringt im Normal betrieb eine überschußmenge an Beschichtungsmasse auf die Bahn auf und diese überschußmenge wird durch das Luftmesser entfernt. Aber selbst wenn die Zufuhr der Beschichtungsmasse so eingestellt wird, daß kein wesentlicher Überschuß an Beschichtungsmasse auftritt, hat das Luftmesser noch eine günstige Wirkung auf die Qualität der Be¬ schichtung.From DE-OS 34 38 041 a method working with an air knife is known, in which the liquid coating aids applied to webs of material are post-treated. In normal operation, the application device applies an excess amount of coating compound to the web and this excess amount is removed by the air knife. But even if the supply of the coating composition is adjusted so that no substantial excess of coating composition occurs, the air knife has still a favorable effect on the quality of the coating.

Vorzugsweise eignet sich das neue Verfahren für die Anwendung mit Schmelzkleber, kann aber auch in Ver¬ bindung mit anderen Klebern eingesetzt werden.The new method is preferably suitable for use with hot melt adhesive, but can also be used in conjunction with other adhesives.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen erläutert.Advantageous embodiments of the invention are explained in the subclaims.

Durch das erfindungsgemäße Verfahren ist über die bereits vorstehend erläuterten Vorteile hinaus die Möglichkeit gegeben, daß ein Schmelzkleber durch den Luftstrom gekühlt oder erwärmt wird, so daß dadurch die Abbindefähigkeit des Schmelzklebers in Abhängig¬ keit seiner chemischen Zusammensetzung und der Art des Objektträgers gesteuert werden kann.In addition to the advantages already explained above, the method according to the invention provides the possibility that a hot melt adhesive is cooled or heated by the air stream, so that the setting ability of the hot melt adhesive can be controlled depending on its chemical composition and the type of slide.

Dadurch, daß die Kleberfläche auf dem Objektträger vergrößert wird, wird eine größere Kleberoberfläche geschaffen und so ein besseres Herausziehen der Eti¬ ketten aus dem Etikettenmagazin erreicht, wobei gleichzeitig aber die Kleberstärke auf dem Objekt¬ träger dünner ist, so daß nachträglich die Kleber- fläche an der Oberseite des Etikettes nicht mehr wahrnehmbar ist. Es erfolgt also keine Beeinflussung des Etiketts durch den Schmelzkleber. Because the adhesive surface on the slide is enlarged, a larger adhesive surface is created and thus a better pulling out of the labels from the label magazine is achieved, but at the same time the adhesive strength on the slide is thinner, so that the adhesive surface subsequently is no longer noticeable on the top of the label. There is therefore no influence on the label by the hot melt adhesive.

Claims

Patentansprüche:Claims: Beleimungsverfahren für zu etikettierende Be¬ hälter in Etikettiermaschinen unter Verwen¬ dung eines Klebers, z.B. eines Schmelzkle¬ bers, wobei der Kleber durch eine Düsenauf¬ tragsvorrichtung berührungslos auf den Behäl¬ ter aufgebracht wird, dadurch gekennzeichnet, daß nach dem Aufbringen des Klebers auf den Behälter der so erzeugte Kleberpunkt oder die Kleberraupe durch einen Gasdruckstrahl flächig breit verteilt wird.Gluing process for containers to be labeled in labeling machines using an adhesive, e.g. a hot-melt adhesive, the adhesive being applied contactlessly to the container by a nozzle applicator, characterized in that after the adhesive has been applied to the container, the adhesive point or bead thus produced is distributed over a wide area by a gas pressure jet. Verfahren nach Anspruch 1, dadurch gekenn- zei chnet, daß das Gas des Gasdruckstrahles angewärmt wird.A method according to claim 1, characterized in that the gas of the gas pressure jet is heated. Verfahren nach Anspruch 1, dadurch gekenn¬ zeic net, daß das Gas des Gasdruckstrahles gekühl t wird.Method according to claim 1, characterized in that the gas of the gas pressure jet is cooled. Verfahren nach Anspruch 1, dadurch gekenn¬ zeichnet, daß der Gasdruckstrahl konzentrisch zur Bahn des Kleberstrahls geführt wird. A method according to claim 1, characterized gekenn¬ characterized in that the gas pressure jet is guided concentrically to the path of the adhesive jet.
PCT/DE1986/000272 1985-07-23 1986-06-28 Adhesive application process for containers in labelling machines using, for example, melt-type adhesives Ceased WO1987000507A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3526178.1 1985-07-23
DE3526178A DE3526178C1 (en) 1985-07-23 1985-07-23 Gluing process for containers in labeling machines using e.g. of hot melt adhesives

Publications (1)

Publication Number Publication Date
WO1987000507A1 true WO1987000507A1 (en) 1987-01-29

Family

ID=6276425

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1986/000272 Ceased WO1987000507A1 (en) 1985-07-23 1986-06-28 Adhesive application process for containers in labelling machines using, for example, melt-type adhesives

Country Status (5)

Country Link
US (1) US4743469A (en)
EP (1) EP0211145B1 (en)
AT (1) ATE37833T1 (en)
DE (2) DE3526178C1 (en)
WO (1) WO1987000507A1 (en)

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US5800695A (en) * 1996-10-16 1998-09-01 Chromalloy Gas Turbine Corporation Plating turbine engine components
DE19706317C2 (en) * 1997-02-18 1999-11-18 Heydolph Gmbh Labeling process and labeling system
US6308864B1 (en) 2000-05-25 2001-10-30 Greco Manufacturing, Inc. Modular adhesive bead dispenser
US7694843B2 (en) 2005-05-27 2010-04-13 Prairie Packaging, Inc. Reinforced plastic foam cup, method of and apparatus for manufacturing same
US7818866B2 (en) 2005-05-27 2010-10-26 Prairie Packaging, Inc. Method of reinforcing a plastic foam cup
US7704347B2 (en) 2005-05-27 2010-04-27 Prairie Packaging, Inc. Reinforced plastic foam cup, method of and apparatus for manufacturing same
US7552841B2 (en) 2005-05-27 2009-06-30 Prairie Packaging, Inc. Reinforced plastic foam cup, method of and apparatus for manufacturing same
US7536767B2 (en) 2005-05-27 2009-05-26 Prairie Packaging, Inc. Method of manufacturing a reinforced plastic foam cup
US7814647B2 (en) * 2005-05-27 2010-10-19 Prairie Packaging, Inc. Reinforced plastic foam cup, method of and apparatus for manufacturing same
FR2886880B1 (en) 2005-06-14 2008-10-03 Mgi France Sa DIGITAL JET MACHINE FOR REMOVING A COATING ON A SUBSTRATE
US8828170B2 (en) 2010-03-04 2014-09-09 Pactiv LLC Apparatus and method for manufacturing reinforced containers
US10227198B1 (en) * 2018-03-12 2019-03-12 Maan Intellectual Properties B.V. Device for producing both linerless labels and lined labels

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
DE3660891D1 (en) 1988-11-17
US4743469A (en) 1988-05-10
EP0211145B1 (en) 1988-10-12
ATE37833T1 (en) 1988-10-15
DE3526178C1 (en) 1986-08-14
EP0211145A1 (en) 1987-02-25

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